After that, avoid midday sun, have children wear protective clothing and hats; seek shade; use sunglasses that block UVA and UVB; and use sunscreen.
之后，远离中午的阳光，让孩子穿防护衣和戴帽子，找荫凉地避暑，使用太阳镜阻止紫外线并且涂抹防晒霜。
Dynamic wear leveling addresses the problem of a limited number of Erase cycles for a given block.
动态平均读写解决了块的Erase周期的次数限制。
Fans and air filters add to the distractions, so some astronauts wear ear plugs to block out the constant hum.
风扇和空气过滤器是另一个干扰源，因此有的宇航员会戴耳塞，挡住这些持续不断的嗡嗡声。
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